Description: Materials: Aluminum Alloy Size: 35 x 10 mm/ 1.4 x 0.4 inch; Hole Diameter: 3-4 mm/ 0.12-0.16 inch Help to adjust the cord to any length. Suitable for line of 2-4mm diameter. Protect your tent from being blown away by strong wind Features anti-slip and braking, easy to adjust Essential replacements, to suit camping, tents, caravan, awning etc. A package includes 10 pieces adjusters Package Includes: 10 Pieces Tent Guy Line Tensioner